Frequent Question: Is Processor Abstracted by Operating System?

Which are abstracted by an operating system?

An abstraction is software that hides lower level details and provides a set of higher-level functions. An operating system transforms the physical world of devices, instructions, memory, and time into virtual world that is the result of abstractions built by the operating system.

Does operating system depends on processor?

Any operating system is at least depending on one piece of hardware: the CPU. … Since an OS is “just a program” which needs to run on the CPU, it must be written in the CPUs native language is thus dependent on it. You cannot run a normal Windows on an ARM or PowerPC processor, for example.